US Patent 7761789 Methods for computing a navigation path

A method, apparatus and article of manufacture for creating visualizations of documents are described. In one embodiment, the method comprises receiving audible, visual, and audiovisual document elements, computing time attributes associated with the audible, visual, and audiovisual document elements based on display and application constraints, computing information content attributes associated with the audible, visual, and audiovisual document elements based on display and application constraints, selecting a set of one or more of the audible, visual and audiovisual document elements for inclusion into a multimedia representation based on the time and information content attributes, and composing the multimedia representation using the set of one or more of the audible, visual and audiovisual document elements.